22320936 has 48 divisors (see below), whose sum is σ = 65950560. Its totient is φ = 6763680.

The previous prime is 22320931. The next prime is 22320943. The reversal of 22320936 is 63902322.

It is a super-3 number, since 3×22320936³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22320931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13300 + ... + 14883.

It is an arithmetic number, because the mean of its divisors is an integer number (1373970).

Almost surely, 2^22320936 is an apocalyptic number.

It is an amenable number.

22320936 is an abundant number, since it is smaller than the sum of its proper divisors (43629624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22320936 is a wasteful number, since it uses less digits than its factorization.

22320936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28206 (or 28199 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 22320936 is about 4724.5037834676. The cubic root of 22320936 is about 281.5598990009.

The spelling of 22320936 in words is "twenty-two million, three hundred twenty thousand, nine hundred thirty-six".